/Engine/Plugins/Runtime/GeometryProcessing/Source/DynamicMesh/Public/Operations/WeldEdgeSequence.h
Alters the existing mesh by welding two edge sequences, preserving sequence A. Conditions the mesh by splitting edges and optionally deleting triangles.
EWeldResult::OK on success
[EWeldResult](API\Plugins\DynamicMesh\Operations\FWeldEdgeSequence\EWeldResult) Weld()